--- empty-0.6.19b.orig/Makefile 2012-09-19 13:22:42.000000000 +0200 +++ empty-0.6.19b/Makefile 2015-07-09 00:19:44.000000000 +0200 @@ -10,10 +10,10 @@ # -CC = gcc +CC ?= gcc LIBS = -lutil -PREFIX = /usr/local +PREFIX = /usr all: ${CC} ${CFLAGS} -Wall ${LIBS} -o empty empty.c